このブランチではてなのエントリの調査
pygmentのバージョンアップ
Pygmentではてなのスーパーpreを見ていって、解決できない言語があった時エラーになるので一部言語指定を削除

/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/lib/pygments/popen.rb:382:in `header_to_json': Traceback (most recent call last): (MentosError)
  File "/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/lib/pygments/mentos.py", line 303, in start
    res = self.get_data(method, lexer, args, kwargs, text)
  File "/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/lib/pygments/mentos.py", line 171, in get_data
    res = self.highlight_text(text, lexer, formatter_name, args, _convert_keys(opts))
  File "/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/lib/pygments/mentos.py", line 122, in highlight_text
    lexer = self.return_lexer(lexer, args, kwargs, code)
  File "/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/lib/pygments/mentos.py", line 79, in return_lexer
    return lexers.get_lexer_by_name(lexer, **inputs)
  File "/hoge/vendor/bundle/ruby/1.9.1/gems/pygments.rb-0.4.2/vendor/pygments-main/pygments/lexers/__init__.py", line 80, in get_lexer_by_name
    raise ClassNotFound('no lexer for alias %r found' % _alias)
ClassNotFound: no lexer for alias '解決できない言語' found
tweetプラグイン用の_chaches/tweet/ディレクトリ作成